Team Fusion is a North American online gaming team founded in 2006 by Ko-Tao and Walking Target while playing and competing in the CAL Half-Life 2 Deathmatch 2v2 division.

Although primarily a Half-Life 2 Deathmatch team, Fusion is open to playing any online multiplayer game available, as long as there is shared interest. Recruitment to Fusion is by invite only and is based on skill, commitment, attitude, and reputation.